Anchor fastener



FIG. 1 is a forward perspective view of an anchor fastener showing my new design, all sides being identical;

FIG. 2 is a rearward perspective view of a second embodiment of the design of FIG. 1, all sides being identical;

FIG. 3 is a reduced side elevational view of a third embodiment of the design of FIG. 1, all sides being identical.

The only difference between the three embodiments being the variations in the bands of knurling. 

The ornamental design for an anchor fastener, as shown and described. 